Brand New Bilstein 5100 Series Front Shock Absorber (Bilstein Part #24-186735). Bilstein 5100 Series Shock Absorbers are high gas pressure monotube shocks designed specifically for lifted pickups, SUVs and Jeeps. The shocks feature a 46mm digressive piston with self-adjusting deflective disc valving. They offer super damping ability that makes them ideal for heavy hauling or occasional off-road use, while maintaining an exceptional street ride. Specs: Collapsed Length: 11.30" (287.00mm) Extended Length: 15.76" (400.20mm) Fits: Chevy: Avalanche 2500: 2002-2006 with 0" to 3" of Lift, including Base, LS, and LT Silverado 1500HD: 2001-2007 with 0" to 3" of Lift, including Base, Classic, LS, and LT Silverado 2500: 1999-2005 with 0" to 3" of Lift, including Base, Cheyenne, Custom, LS, LT, and WT Silverado 2500HD: 2001-2010 with 0" to 3" of Lift, including Base, Classic, LS, LT, LTZ, and WT Silverado 3500: 2001-2007 with 0" to 3" of Lift, including Base, Classic, LS, LT, and WT Silverado 3500HD: 2006-2010 with 0" to 3" of Lift, including Base, LT, LTZ, and WT Suburban 2500: 2000-2013 with 0" to 3" of Lift, including Base, LS, LT, and LTZ GMC: Sierra 1500HD: 2001-2007 with 0" to 3" of Lift, including Classic, SLE, and SLT Sierra 2500: 1999-2004 with 0" to 3" of Lift, including Base, SL, SLE, SLT, and WT Sierra 2500HD: 2001-2010 with 0" to 3" of Lift, including Base, Classic, SL, SLE, SLT, and WT Sierra 3500: 2001-2007 with 0" to 3" of Lift, including Base, Classic, SL, SLE, SLT, and WT Sierra 3500HD: 2007-2010 with 0" to 3" of Lift, including SLE, SLT, and WT Yukon XL 2500: 2000-2013 with 0" to 3" of Lift, including SLE and SLT Hummer: H2: 2003-2009 with 0" to 3" of Lift Bilstein's old part number on this shock was F4-BE5-D146-H1.We also sell these shocks in complete 4 shock sets. Click here for those listings.